2013-01-22

Japan Develop World's Highest Output Deep Ultraviolet LED

Japanese researchers Akinori Koukitu and Yoshinao Kumagai, who are professor and associate professor, respectively, at the Division of Applied Chemistry, the Tokyo University of Agriculture and Technology (TUAT), and researchers of Tokuyama Corp. , have made breakthroughs on a deep ultraviolet LED that has the world's highest levels of output characteristics. With a forward current of 150mA, its output and external quantum efficiency are 20mW and 3.0%, respectively. There were two problems in the development of the deep ultraviolet LED: developing a high...
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